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single-celled

Cultural  
  1. Made up of only one cell. Bacteria are single-celled organisms.


Example Sentences

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Spirostomum ambiguum is a giant single-celled ciliate, named for the fringe of hairlike cilia it uses to swim.

From Science Daily ● Sep. 19, 2026

When that proved too difficult, he switched to experimenting with single-celled organisms.

From The Wall Street Journal ● Jul. 24, 2026

The single-celled organisms use the power of the sun to produce energy through photosynthesis, similar to houseplants on your balcony.

From Los Angeles Times ● Jun. 20, 2026

Multicellular cyanobacteria evolved gradually from single-celled ancestors, gaining complexity over time.

From Science Daily ● Apr. 20, 2026

Fadi added a few finishing touches to his drawings of amoebas and other single-celled micro-organisms, which the class had been reviewing.

From "Shooting Kabul" by N. H. Senzai

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